Home / 5,218.04-7,828.82-1,708.22

Finding the Fourth Proportional to 5,218.04, 7,828.82 and 1,708.22

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Solution

The fourth proportional to 5,218.04, 7,828.82 and 1,708.22 is: 2,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.04 : 7,828.82 = 1,708.22 : x
  2. Step 2: Convert to fraction form
    5,218.04/7,828.82 = 1,708.22/x
  3. Step 3: Cross multiply
    5,218.04x = 7,828.82 × 1,708.22
  4. Step 4: Simplify right side
    5,218.04x = 13,373,346.90
  5. Step 5: Solve for x
    x = 13,373,346.90/5,218.04
  6. Step 6: Final answer
    x = 2,562.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.